Hibiscus flowers, aka rose mallow, produce beautiful and huge tropical-looking flowers on hardy perennial plants. The hibiscus is a winter hardy and perennial to zone 5. They thrive in containers or garden beds with moist to even wet soil.
A tropical appearance bloom that can thrive in cooler locations (zone 5 and above). Produces beautifully stunning white and crimson flowers. Hibiscus moscheutos plants prefer wet areas in the wild, but can also be grown in a well-watered garden.